8X

8X or 8-X may refer to:


 * 8x, or eight times in multiplication
 * 8X, code name for Enhanced Imaging System
 * 8X, abbreviation for Octuple scull
 * Precorrin-8X methylmutase
 * South African Class 8X 2-8-0 locomotive
 * 8X Bayshore; see List of San Francisco Municipal Railway lines
 * Typ 8X; internal designation for Audi A1
 * HTC Windows Phone 8X, a Windows Phone 8 device produced by HTC.